Insulated jug



FIG. 1 is a side elevational view of an insulated jug showing my new design; the opposite side being a mirror image thereof;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for an insulated jug, as shown and described. 